Chronic Lymphocytic Leukemia Clinical Trial
B-type Chronic Lymphocytic Leukemia (B-CLL) Subgroups: Maturation Stage and Gene Expression
B type leukemia-cll/" >chronic lymphocytic leukemia (B-CLL) is the most prevalent leukemia in the western world. It is a disease that occurs primarily in aging individuals and occurs more frequently in males than females. Although B-CLL was considered a homogeneous condition, recent studies by our laboratory and others suggest that B-CLL cases can be divided into two subgroups.
These sub-groups can be identified by either the presence or the absence of mutations in antibody genes and/or by the percentage of B-CLL cells expressing a particular protein called CD38. These two sub-groups (unmutated antibody genes high percent CD38 and mutated antibody genes low percentage CD38) follow strikingly clinically different courses. For example, the unmutated/CD38+ group experiences a much more aggressive disease and these patients almost invariably die much sooner than the cases in the other group. In addition, the patients in the mutated CD38+ group require much more chemotherapy than mutatedlCD38-. Finally, surprisingly there is a much higher representation of males in the poor outcome unmutated CD38 group than in the better outcome group. The reasons for these differences in clinical outcome and gender bias are unknown.
18 years of age,
Patients must be able to contribute the required amount of blood without compromising their well being,
Participants must be willing to be contacted again in the future for additional blood drawing.
Patients who are known to be anemic, with a hemoglobin < 8,
Patients who are known to be infected with HIV.
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There is 1 Location for this study
Manhasset New York, 11030, United States
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